This instrumentation circuit was found in the September 1989 Radio Electronics magazine. The circuit uses an analog indicator and the power supply must be symmetrical.
Integrated signal generator appeared in Radio Electronics magazine in January 1968. The integrated...
This is another one of the crystal oscillator configurations with the 4001. Many of them are on...
In the figure we have one of the channels and the source of a good stereo amplifier of 20 W per...